The Koryo dynasty claimed to inherit Koguryo, but there was no inheritance between them. South Korea has an annex originated from the Analects of Confucius. Koryo's English name "Goryeo" comes from Goguryeo's English name "Goguryeo". Korean English name "Korea" is a variant of Korean English name "Goryeo". In fact, "Koryo" and "Koguryo" are both pinyin pronunciations introduced to Silla in the Tang Dynasty, which originated from ancient China history books.
Buddhism is the national religion of the Koryo dynasty. /kloc-The Goryeo Tripitaka carved in 0/6 is one of the world's treasures. Korea's celadon is beautifully made.